JP2704858B2 - Container cap and bottom hanger - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a container cap and a bottom hanger which can be removed from a container by cutting the peripheral wall along a breaking line of the peripheral wall portion.

[0002]

2. Description of the Related Art In a container cap and a bottom hanger of this type, as shown in, for example, Japanese Utility Model Application Laid-Open No. 5-74537, a ridge for fitting to a container is formed on the entire circumference except for a break line. .

[0003]

Since the conventional container cap and the bottom hanger have the above-described structure, when the resin is pressed into the mold during injection molding, when the ridge gets over the mold at the time of demolding. In this case, since the diameter of the portion is expanded, the fragile breaking line portion may be broken, and there is a problem that the yield is poor. Further, in order to improve the yield, a flexible resin material excellent in expansion and contraction must be selected, and there is also a problem that an inexpensive resin or a resin having a desired hardness cannot be freely selected.

[0004]

SUMMARY OF THE INVENTION The present invention relates to a short cylindrical resin cap having a protrusion on the inner side of a peripheral wall to be fitted to a fitting means such as a lip of a container mouth, and formed on any of the caps. And a cutting portion that can be separated from the peripheral wall by a break line such as a V-shaped groove that continuously extends from the knob portion and traverses the ridge, and pulls the knob portion to cut the cut portion. In the container cap that is separated and opened, a groove is formed near the break line, and the diameter of the ridge portion is pushed and widened by the groove.
A container cap characterized in that the distortion is absorbed when the container is squeezed, and a ridge that fits into a fitting means such as a fitting groove near the bottom of the Ringer container inside the peripheral wall, and the ridge is longitudinally cut. In the short cylindrical resin bottom hanger which has a breaking line such as a V-shaped groove to be removed from the container by cutting the peripheral wall along the breaking line, a concave groove is formed near the breaking line , When the diameter of the ridge portion is expanded by the concave groove,
The bottom hanger is characterized in that the strain is absorbed when the bottom hanger.

[0005]

According to the present invention, a concave groove is formed near the breaking line. Therefore, when the diameter of the ridge portion is expanded at the time of demolding, the groove absorbs the strain, and the load on the breaking line is reduced, so that the risk of breaking the breaking line is reduced.

Unless grooves are provided on both sides of the cut portion and no ridges are provided inside the cut portion to fit the container, the load on the breaking line is further reduced, so that the yield is further improved and the rigidity is improved. Materials can also be used.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the drawings showing embodiments. FIG. 1 shows one of the caps 1 of the embodiment.
2 is a top view of the cap 1, FIG. 3 is a schematic bottom view of the cap 1, and FIG. 4 is a schematic cross-sectional view of the cap 1 in use.

The cap 1 is mounted on a glass-shaped wide-mouthed packaging container made of glass, and is made of resin and has a short cylindrical shape.
Used with the inner lid 2 made of aluminum. Cap 1
As shown in FIG. 2, the top plate 3 has a knob 6 formed by a hole 4 at the center and a cut 5 around the hole 4. Can be triggered. As shown in FIG.
, And the end continues to a break line 9 having an inner surface as a V-shaped groove. The lower end has a notch 1 to make cutting easier.
It is 0. Between the two breaking lines is a cutting portion 11 which is connected from the knob portion 6 and is separated from the cap 1 together with the knob portion 6. As shown in FIG. 1, a ridge 12 bulging inward is formed at the lower end of the peripheral wall of the cap 1, and fits with the lip 21 of the container 20.

The peripheral wall 8 of the cap 1 has two breaking lines 9
, Two concave grooves 13 and 14 are provided on both sides of the cutting portion 11 in the vertical direction. The ridge 12 is not formed inside the inner concave groove 13. The number of grooves is
The number is not limited to one, and a plurality can be provided as in this embodiment. By providing a plurality, the load on the breaking line at the time of demolding becomes smaller, but the strength of the cap itself also decreases. Therefore, it is desirable to select an appropriate number in the design. If the ridge 12 is not formed inside the concave groove 13, a force for expanding the diameter does not act on the portion at the time of demolding, so that the load on the breaking line 9 is reduced. In addition, the concave groove does not necessarily need to be provided in the whole from the upper end to the lower end of the peripheral wall.

The inner lid 2 has a substantially disk shape, and as shown in FIG. 4, a sealing portion 15 is provided in a ring (compound) at a portion of the lower surface that comes into contact with the container opening, and the cap 1 Is mechanically fitted to and integrated with the lower surface of the top plate 3 and the upper side of the ridge 12.

FIG. 5 is a side view of the bottom hanger 30 of the embodiment, FIG. 6 is a longitudinal sectional view of the bottom hanger 30, and FIG. 7 is a cross-sectional end view of the bottom hanger 30.

The bottom hanger 30 includes a ringer container 40.
To be used by fitting to the lower end of the. The bottom hanger 30 has a short cylindrical shape with an open upper surface, and a ridge 3 at the upper end of the inner surface.
1 fits into the lowermost fitting groove 41 of the bottle 40. On the bottom surface, two semicircular perforated thin pieces 32 are provided as a suspension mechanism so as to be bent at a hinge portion 33. The peripheral wall 34 is provided with two break lines 35 in the vertical direction. The break line 35 is configured to be easily broken by a V-shaped groove on the inner surface of the peripheral wall. A notch 36 is provided at the upper end so as to be more easily broken. Ringer's container 40
When using, as shown in FIG.
The perforated thin pieces 33 are erected, and hooks of a stand (not shown) are hooked on the holes 37 to be used for hanging. After use, pry between the bottle 40 and the peripheral wall 34 with a nail or the like to cut off the peripheral wall at the break line 35 and remove the bottom hanger from the bottle.

On both sides of the two breaking lines 35, vertical grooves 38 are provided close to each other. In the case of the bottom hanger, as in the case of the container cap, when the diameter of the ridge portion is expanded at the time of demolding, the concave groove absorbs the strain and the load on the breaking line is reduced, so the breaking line is broken. Danger is reduced.

[0014]

According to the container cap or the bottom hanger of the present invention, since the concave groove is formed near the breaking line, the concave groove is formed when the diameter of the ridge portion is expanded when the mold is released. The strain is absorbed, the load on the breaking line is reduced, and the risk of breaking the breaking line is reduced. If concave grooves are provided on both sides of the cut portion and no ridge is provided inside the cut portion to fit the container, the load on the breaking line is further reduced, so that the production yield is further improved, Further, a harder material can be used, and the range of material selection can be expanded.

[Brief description of the drawings]

FIG. 1 is a partially cutaway side view of a cap 1. FIG.

FIG. 2 is a top view of the cap 1. FIG.

FIG. 3 is a schematic bottom view of the cap 1.

FIG. 4 is a schematic cross-sectional view of the use state of the cap 1.

5 is a side view of the bottom hanger 30. FIG.

6 is a vertical sectional view of the bottom hanger 30. FIG.

FIG. 7 is a laterally cut end view of the bottom hanger 30. FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Cap 2 Inner lid 3 Top plate 4 Hole 5 Notch 6 Knob part 7 Bridge 8 Peripheral wall 9 Break line 10 Notch 11 Cut part 12 Protrusion 13 Depression groove 14 Depression groove 15 Seal part 20 Container 21 Lip 30 Bottom hanger 31 Protrusion Article 32 Perforated thin piece 33 Hinge part 34 Perimeter wall 35 Break line 36 Notch 37 Hole 38 Depressed groove 40 Ringer container 41 Fitting groove

Claims (4)

(57) [Claims] 1. A short cylindrical resin cap having a ridge fitted on a fitting means such as a lip of a container mouth inside a peripheral wall,
A grip portion formed on one of the caps, and a cutting portion which can be separated from the peripheral wall by a break line such as a V-shaped groove which is continuous from the grip portion and traverses the ridge; In the container cap that opens the lid by pulling the part to separate the cut part , a concave groove is formed in the vicinity of the breaking line, and the concave groove
When the diameter of the ridge portion is expanded, the distortion is absorbed.
Container cap characterized by being stored 2. The container cap according to claim 1, wherein said groove is a groove.
Are provided on both sides of the cutting section, and inside the grooves on both sides are containers
It is characterized in that there is no ridge for fitting
Container cap 3. A ridge fitted on a fitting means such as a fitting groove near the bottom of the Ringer container on the inner side of the peripheral wall, and a V extending longitudinally through the ridge.
In a short cylindrical resin bottom hanger having a break line such as a U-shaped groove and being detached from the container by cutting the peripheral wall along the break line, a concave groove is formed near the break line, and the concave is formed .
When the diameter of the ridge portion is expanded by the groove,
Bottom hanger characterized by distortion absorption 4. The bottom hanger according to claim 3, wherein
Grooves are provided on both sides of the break line, and grooves are
There is no ridge for fitting with
And bottom hanger